4Videosoft PDF Merger is the professional business software for you. You are allowed to convert separate PDF files to a large PDF file. It is very easy to operate, and you can finish your conversion within several clicks.

Key features:

1. Merge your PDF files freely

The PDF Merger enables you to merge your PDF files to one with ease. This PDF Merger allows you to add your PDF files by dragging them to the program directly. You can also choose your files range like All, Odd and Even. Or you can merge your files in part like 1-3, 4, 5, 6-10, etc. And you can choose the page sort method freely. What